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nata0808 [166]
3 years ago
14

Help me with #32 develop an inverse relationship and graph it on the graph

Mathematics
1 answer:
Yuki888 [10]3 years ago
5 0

<u>Step-by-step explanation:</u>

Inverse is x · y = k

Since k = 20, then you are looking for x,y coordinates whose product is 20.

Answer:

The following are possible solutions:

\left\begin{array}{c|c|c}\underline{\quad x\quad }&\underline{\quad y\quad }&\underline{\qquad k\qquad }\\1&20&1\cdot 20=20\\2&10&2\cdot 20=20\\4&5&4\cdot 5=20\\10&2&10\cdot 2=20\\20&1&20\cdot 1=20\end{array}\right

(See attached for graph)

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Dwayne wants to buy a bowling ball that has a price of $120. As a member of a bowling league, he is entitled to a 15% discount o
rusak2 [61]
No, because
$120-15%=$102
$102+%6=$108.12

so %6 represents tax
and 15% is his discount

if you were to take away %9 then you would get $109.20
$120-9%=109.20
so Dwayne is incorrect, because $108.12 ( his true final price) isn't equal to $109.20 (the price it would be if it was 9% off)

I hope this helps!
3 0
3 years ago
A well-mixed cookie dough will produce cookies with a mean of 66 chocolate chips apiece. What is the probability of getting a co
sp2606 [1]

Answer:

0.7262

Step-by-step explanation:

Let random variable = X

Probability of getting a cookie with at least 55 chips:

P(55≤ X ≤78), where X1 = 55 and X2 = 78

Let mean, U = 66 and  standard deviation, S.D. = 10

Let Z = X - U/S.D; Z1 = X1 - U/S.D and Z2 = X2 - U/S.D

Z1 = 55 - 66/10 = - 1.1

Z2 = 78 - 66/10 = 1.2

P(X1≤ X ≤ X2) = P(X1 -U/S.D ≤ X - U/S.D ≤ X2 - U/S.D)

P(Z1 ≤ Z ≤ Z2) = P(0 ≤ Z ≤ Z1) + P(0 ≤ Z ≤ Z2)

Hence, (55 ≤ X ≤ 78) = P( - 1.1 ≤ Z ≤ 1.2)

∴ P(-1.1 ≤ Z ≤ 1.2) = P(0 ≤ Z ≤ 1.1) + (0 ≤ Z ≤ 1.2)

=   0.3413 + 0.3849 = 0.7262

6 0
3 years ago
In an aquarium containing 230 fish, 20% are angelfish. How many of the fish are angelfish
cricket20 [7]

Answer:

46

Step-by-step explanation:

I went to google.

Search up 20% of 230,

got 46 lol

4 0
4 years ago
What is the area of these shapes
Llana [10]

Answer.    1: 6x3x3 = 54.  

2:6 x 4 = 24       11x 4 =44     44 + 24 =68

Step-by-step explanation: ur welcome

5 0
3 years ago
Sin70° cos80° + cos70° sin80°​
kirill [66]
The answer for your question is (1/2) and alternate form is 0.5 and 2^-1
8 0
3 years ago
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